名校
1 . 若曲线
在
处的切线与曲线
也相切,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc91186336b2d99e88fe87e381c775c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c4473159277aed64ea96c4af087954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.1 | D.![]() |
您最近一年使用:0次
2024-04-19更新
|
996次组卷
|
5卷引用:江苏省如皋市2023-2024学年高二下学期教学质量调研(一)数学试卷
江苏省如皋市2023-2024学年高二下学期教学质量调研(一)数学试卷 (已下线)模块五 专题5 全真拔高模拟5(苏教版高二期中研习)(已下线)模块3 专题1 第4套 小题入门夯实练【高二人教B】(已下线)北师大版高二 模块三专题1第1套小题进阶提升练江苏省常州市第一中学2023-2024学年高二下学期5月阶段质量调研数学试题
名校
解题方法
2 . 已知三角形的顶点为
,
,
.
的方程;
(2)若直线l过点B且与直线
交于点E,
,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f8297bca75733768012232c0780311.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/326a6474089e6a774014906f4c1ba633.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1810b42b462ac59a6c718b3d6a513e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)若直线l过点B且与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14927608e4fcaa93867a7aa1780d63d9.png)
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解题方法
3 . 数学家欧拉1765年在其所著的《三角形几何学》一书中提出:任意三角形的外心、垂心、重心在同一条直线上,后人称这条直线为欧拉线.已知
的顶点
,若其欧拉线的方程为
,
(1)求三角形
外心
的坐标;
(2)求顶点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adf48af141bdecb80ed7abba920b392f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23fc11a3a7592c68b20f93bdde2ed3f.png)
(1)求三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)求顶点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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解题方法
4 . 已知圆
关于直线l对称的圆为圆
,则直线l的方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bf7d969ee6f3131219a0ae5d40e971e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd8407963d4114a4433b7a642f852197.png)
您最近一年使用:0次
名校
解题方法
5 . 过点
作圆
的切线
,直线
与直线
平行,则直线
与
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/577620a3b886932bbcf2f2f3dd725d87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb542e6dfdaad8d50d9206f90d85b22e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fe0a98defcad0583c073d828c074730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.4 | B.2 | C.![]() | D.![]() |
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2024-04-16更新
|
357次组卷
|
2卷引用:云南省昆明市云南师范大学附属中学2023-2024学年高二下学期教学测评月考(五)数学试题
6 . 已知
中,点
,
边上中线所在直线
的方程为
,
边上的高线所在直线
的方程为
.
(1)求边
所在直线方程;
(2)以
为圆心作一个圆,使得
三点中的一个点在圆内,一个点在圆上,一个点在圆外,并记该圆为圆
,过直线
上一点
作圆
的切线
,切点为
,当四边形
面积最小时,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8796f6d3e7a0e3771f83df47e99a970d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d222a13a45a538a2f4b9c809809ef564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/238335718c06993ed7847587feb94389.png)
(1)求边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a29ba49963134a7232fa8574105fc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b0b1ce45c52a698ec5c7137027dcdf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d79eb551b8051aea9beeed2ce16f18f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a553dbc8365578d72aca191f270e0308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
您最近一年使用:0次
2024·全国·模拟预测
解题方法
7 . 已知斜率为
的直线
与椭圆
交于
,
两点,
为坐标原点,以
,
为邻边作平行四边形
,点
恰好在
上.若线段
的中点
在直线
上,则直线
的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/893d4e8d70ea2c716ac7b6c1777a77f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/984b2ab0e59484639252cc9ad49a2359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14e902eb263971b466d0fcd91c56b453.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
8 . 已知椭圆
的右焦点
恰为抛物线
的焦点,过点
且与
轴垂直的直线截抛物线、椭圆所得的弦长之比为
.
(1)求
的值;
(2)已知
为直线
上任一点,
分别为椭圆的上、下顶点,设直线
与椭圆的另一交点分别为
,求证:直线
过定点.并求出该定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b24214f111f7c6d2b64e53ad970438b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41322821ce31416fdac8dd6e0aa41c71.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2af31a8d791f28399fc13be3250136dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ebaa32f4f1f4f807ca9aeb7fb29951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
您最近一年使用:0次
2024·全国·模拟预测
9 . 曲线
与
的公切线方程为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b7186a0a143460905e117dd9dc17c45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c1a65d262313469f42b7dbf6faa51e.png)
您最近一年使用:0次
解题方法
10 . 已知两点
,
,动点
在线段AB上运动,则xy的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241ce9bd28046ce9b90f43b391132884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d429efe96d68065e7d433c996682791d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
A.![]() | B.![]() | C.3 | D.4 |
您最近一年使用:0次